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      01-18-2013, 01:44 AM   #4
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Drives: Z4 E89
Join Date: Apr 2011
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Originally Posted by Wilsonv View Post
. But for the N/A 30i, would i experience loss of power?


Back pressure caused by the exhaust system (consisting of the exhaust manifold, catalytic converter, muffler and connecting pipes) of an automotive four-stroke engine has a negative effect on engine efficiency resulting in a decrease of power output that must be compensated by increasing fuel consumption."

So the answer is NO you wont loose any power
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